Question

sini
3
= 4/3
Water
Г
b)
1
sini
4.
Glass
3
d) 1
A convex lens is in contact with concave lens. The magnitude of the ratio of their focal length is 2-
Their equivalent focal length is 30 cm. What are their individual focal lengths ?
a) - 15 cm, 10 cmho
b) – 10 cm, 15 cm
c) 75 cm, 50 cm
d) - 75 cm, 50 cm
leninf focal length 15 cm is infront of a plane mirror. The distance between the lens and
incm from the lens. The final image is​

Answer 1

Answer:

Good Morning have a great day ☀️☀️

Answer 2

Answer:

good morning

Explanation:

good morning